Carbon cycle (Edexcel GCSE Biology Combined Science): Flashcards
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What is the carbon cycle?
What is the carbon cycle?
Continuous movement of carbon atoms through different forms
Why carbon is important
Why carbon is important
Key element in proteins, carbohydrates, and fats
Process removing CO2 from atmosphere
Process removing CO2 from atmosphere
Photosynthesis
Process by which living organisms return CO2 to atmosphere
Process by which living organisms return CO2 to atmosphere
Respiration
Burning fossil fuels releases CO2 by this process
Burning fossil fuels releases CO2 by this process
Combustion
How carbon passes through food chains
How carbon passes through food chains
Feeding - animals eating plants
Organisms breaking down dead matter
Organisms breaking down dead matter
Decomposers (bacteria/fungi) and detritivores
Photosynthesis converts CO2 to
Photosynthesis converts CO2 to
Glucose
Respiration converts glucose to
Respiration converts glucose to
Carbon dioxide
Formed when decomposition slowed over millions of years
Formed when decomposition slowed over millions of years
Fossil fuels